package cn.openea.perpartner.cms.aspect;

import cn.openea.perpartner.cms.annotation.CmsLog;
import cn.openea.perpartner.cms.enums.BusinessStatus;
import cn.openea.perpartner.cms.enums.OperatorType;
import cn.openea.perpartner.cms.factory.UserContext;
import cn.openea.perpartner.cms.web.service.ICmsOperLogService;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.support.spring.PropertyPreFilters;
import cn.openea.perpartner.cms.web.entity.CmsOperLog;
import cn.openea.perpartner.common.core.utils.ServletUtils;
import cn.openea.perpartner.common.core.utils.StringUtils;
import cn.openea.perpartner.common.core.utils.spring.SpringUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;

/**
 * 操作日志记录处理
 */
@Aspect
@Component
public class CmsLogAspect
{
    private static final Logger log = LoggerFactory.getLogger(CmsLogAspect.class);

    /** 排除敏感属性字段 */
    public static final String[] EXCLUDE_PROPERTIES = { "password", "oldPassword", "newPassword", "confirmPassword" };

    // 配置织入点
    @Pointcut("@annotation(cn.openea.perpartner.cms.annotation.CmsLog)")
    public void logPointCut()
    {
    }

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "@annotation(controllerLog)", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, CmsLog controllerLog, Object jsonResult)
    {
        handleLog(joinPoint, controllerLog, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e 异常
     */
    @AfterThrowing(value = "@annotation(controllerLog)", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, CmsLog controllerLog, Exception e)
    {
        handleLog(joinPoint, controllerLog, e, null);
    }

    protected void handleLog(final JoinPoint joinPoint, CmsLog controllerLog, final Exception e, Object jsonResult)
    {
        try
        {

            // *========数据库日志=========*//
            CmsOperLog operLog = new CmsOperLog();
            operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
            // 请求的地址
            operLog.setOperName(UserContext.getUserName());
            operLog.setCreateUser(UserContext.getUserId());

            if (e != null)
            {
                operLog.setStatus(BusinessStatus.FAIL.ordinal());
                operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
            }
            // 设置方法名称
            String className = joinPoint.getTarget().getClass().getName();
            String methodName = joinPoint.getSignature().getName();
            operLog.setMethod(className + "." + methodName + "()");
            // 设置请求方式
            operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
            // 处理设置注解上的参数
            getControllerMethodDescription(joinPoint, controllerLog, operLog, jsonResult);
            setOperatorContentValue(operLog);
            // 保存数据库
            recordOper(operLog);
        }
        catch (Exception exp)
        {
            // 记录本地异常日志
            log.error("==前置通知异常==");
            log.error("异常信息:{}", exp.getMessage());
            exp.printStackTrace();
        }
    }

    private void setOperatorContentValue(CmsOperLog operLog) {
        String content= "";
        //回收
        String param =  operLog.getOperParam();
        if (operLog.getOperatorType()== OperatorType.RECYCLE.ordinal()){
            //String ids = param.substring(1,param.length()-1);
            content = "回收"+ param +",共"+ Arrays.asList(param.split(",")).size()+"条记录";
        }
        //指派
        if (operLog.getOperatorType()==OperatorType.ASSIGN.ordinal()){
            JSONArray array = JSON.parseArray(param);
            List<Long> list = new ArrayList<>();
            String operaName = "";
            for(Object o:array){
                JSONObject obj = (JSONObject) o;
                operaName = obj.getString("nickName");
                list.add(obj.getLong("unid"));
            }
            content = "指派"+ list +",共"+list.size()+"条记录给到"+operaName;
        }
        //编辑
        if (operLog.getOperatorType()==OperatorType.UPDATE.ordinal()){
            JSONObject object = JSON.parseObject(param);
            JSONObject json = new JSONObject();
            JSONArray  array= object.getJSONArray("logData");
            List<String> idList = new ArrayList();
            if( "品牌商家".equals(operLog.getTitle())){
                json = object.getJSONObject("customer");
                array.forEach(o -> {
                    JSONObject obj = (JSONObject) o;
                    idList.add(obj.getString("customerLogId"));
                });
            }
            if( "团购团长".equals(operLog.getTitle())){
                json = object.getJSONObject("community");
                array.forEach(o -> {
                    JSONObject obj = (JSONObject) o;
                    idList.add(obj.getString("communityLogId"));
                });
            }
            content = "编辑["+json.getString("unid")+"]数据记录"+idList;

        }
        operLog.setOperContent(content);
    }

    private void recordOper(CmsOperLog operLog) {
        ICmsOperLogService operLogService = SpringUtils.getBean(ICmsOperLogService.class);
        operLogService.save(operLog);
    }

    /**
     * 获取注解中对方法的描述信息 用于Controller层注解
     *
     * @param log 日志
     * @param operLog 操作日志
     * @throws Exception
     */
    public void getControllerMethodDescription(JoinPoint joinPoint, CmsLog log, CmsOperLog operLog, Object jsonResult) throws Exception
    {
        // 设置标题
        operLog.setTitle(log.title());
        // 设置操作人类别
        operLog.setOperatorType(log.operatorType().ordinal());
        // 是否需要保存request，参数和值
        if (log.isSaveRequestData())
        {
            // 获取参数的信息，传入到数据库中。
            setRequestValue(joinPoint, operLog);
        }
        // 是否需要保存response，参数和值
        if (log.isSaveResponseData() && StringUtils.isNotNull(jsonResult))
        {
            operLog.setJsonResult(StringUtils.substring(JSONObject.toJSONString(jsonResult), 0, 2000));
        }
    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param operLog 操作日志
     * @throws Exception 异常
     */
    private void setRequestValue(JoinPoint joinPoint, CmsOperLog operLog) throws Exception
    {
        Map<String, String[]> map = ServletUtils.getRequest().getParameterMap();
        if (StringUtils.isNotEmpty(map))
        {
            String params = JSONObject.toJSONString(map, excludePropertyPreFilter());
            operLog.setOperParam(StringUtils.substring(params, 0, 2000));
        }
        else
        {
            Object args = joinPoint.getArgs();
            if (StringUtils.isNotNull(args))
            {
                String params = argsArrayToString(joinPoint.getArgs());
                operLog.setOperParam(StringUtils.substring(params, 0, 2000));
            }
        }
    }

    /**
     * 忽略敏感属性
     */
    public PropertyPreFilters.MySimplePropertyPreFilter excludePropertyPreFilter()
    {
        return new PropertyPreFilters().addFilter().addExcludes(EXCLUDE_PROPERTIES);
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray)
    {
        String params = "";
        if (paramsArray != null && paramsArray.length > 0)
        {
            for (Object o : paramsArray)
            {
                if (StringUtils.isNotNull(o) && !isFilterObject(o))
                {
                    try
                    {
                        Object jsonObj = JSONObject.toJSONString(o, excludePropertyPreFilter());
                        params += jsonObj.toString() + " ";
                    }
                    catch (Exception e)
                    {
                    }
                }
            }
        }
        return params.trim();
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    @SuppressWarnings("rawtypes")
    public boolean isFilterObject(final Object o)
    {
        Class<?> clazz = o.getClass();
        if (clazz.isArray())
        {
            return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
        }
        else if (Collection.class.isAssignableFrom(clazz))
        {
            Collection collection = (Collection) o;
            for (Object value : collection)
            {
                return value instanceof MultipartFile;
            }
        }
        else if (Map.class.isAssignableFrom(clazz))
        {
            Map map = (Map) o;
            for (Object value : map.entrySet())
            {
                Map.Entry entry = (Map.Entry) value;
                return entry.getValue() instanceof MultipartFile;
            }
        }
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
                || o instanceof BindingResult;
    }
}
